Revert "router/testing: make the registered router public"
Revert "router/testing: make the registered router public"

This reverts commit 91d8af0072a8195322985641490638a13f54e452.

guilhermebr/tsuru,ArxdSilva/tsuru,kgrvamsi/tsuru,mderaldo/tsuru,hugoantunes/tsuru,Endika/tsuru,kgrvamsi/tsuru,Endika/tsuru,guilhermebr/tsuru,hugoantunes/tsuru,cezarsa/tsuru,gciotta/tsuru,4eek/tsuru,ggarnier/tsuru,ggarnier/tsuru,4eek/tsuru,ArxdSilva/tsuru,tuxmonteiro/tsuru,tsuru/tsuru,RichardKnop/tsuru,gciotta/tsuru,gwmoura/tsuru,tuxmonteiro/tsuru,cezarsa/tsuru,hcxiong/tsuru,hcxiong/tsuru,cgvarela/tsuru,mderaldo/tsuru,firebitsbr/tsuru,cgvarela/tsuru,tsuru/tsuru,ggarnier/tsuru,hcxiong/tsuru,gciotta/tsuru,RichardKnop/tsuru,jblancett/tsuru,4eek/tsuru,RichardKnop/tsuru,jblancett/tsuru,tuxmonteiro/tsuru,tsuru/tsuru,firebitsbr/tsuru,gwmoura/tsuru,ArxdSilva/tsuru,cezarsa/tsuru,tsuru/tsuru,jblancett/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,cezarsa/tsuru,kgrvamsi/tsuru,firebitsbr/tsuru,ggarnier/tsuru,gwmoura/tsuru,cgvarela/tsuru,mderaldo/tsuru,guilhermebr/tsuru,Endika/tsuru